The raw filter return a new Markup(content) which may itself return content

Raphaël Droz · Raphaël Droz · commit 7658a92b3b1c · 2019-12-22T00:35:23.000-03:00
if content is the empty string. The resulting output is [Object] instead of the expected
 empty string.
diff --git a/src/twig.core.js b/src/twig.core.js
@@ -1443,7 +1443,7 @@ module.exports = function (Twig) {
      */
 
     Twig.Markup = function (content, strategy) {
-        if (typeof content !== 'string' || content.length === 0) {
+        if (typeof content !== 'string') {
             return content;
         }
 
diff --git a/test/test.filters.js b/test/test.filters.js
@@ -778,6 +778,12 @@ describe('Twig.js Filters ->', function () {
                 value: '<test>&</test>'
             }).should.equal('<test>&</test>');
         });
+
+        it('should output an empty string', function () {
+            const template = twig({data: '{{ value|raw }}'});
+            template.render({value: ''}).should.equal('');
+        });
+
     });
 
     describe('round ->', function () {

Original file line number	Diff line number	Diff line change
`@@ -1443,7 +1443,7 @@ module.exports = function (Twig) {`
`1443`	`1443`	`*/`
`1444`	`1444`
`1445`	`1445`	`Twig.Markup = function (content, strategy) {`
`1446`		`- if (typeof content !== 'string' \|\| content.length === 0) {`
	`1446`	`+ if (typeof content !== 'string') {`
`1447`	`1447`	`return content;`
`1448`	`1448`	`}`
`1449`	`1449`